1220102101010 has 64 divisors (see below), whose sum is σ = 2377007216640. Its totient is φ = 448237393920.

The previous prime is 1220102100961. The next prime is 1220102101069. The reversal of 1220102101010 is 101012010221.

It is a junction number, because it is equal to n+sod(n) for n = 1220102100982 and 1220102101000.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 59100290 + ... + 59120930.

It is an arithmetic number, because the mean of its divisors is an integer number (37140737760).

Almost surely, 2^{1220102101010} is an apocalyptic number.

1220102101010 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1220102101010 is a deficient number, since it is larger than the sum of its proper divisors (1156905115630).

1220102101010 is a wasteful number, since it uses less digits than its factorization.

1220102101010 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22923.

The product of its (nonzero) digits is 8, while the sum is 11.

Adding to 1220102101010 its reverse (101012010221), we get a palindrome (1321114111231).

The spelling of 1220102101010 in words is "one trillion, two hundred twenty billion, one hundred two million, one hundred one thousand, ten".